US7820897B2ActiveUtilityA1
String for musical instrument and method for manufacturing the same
Est. expiryMar 26, 2027(~0.7 yrs left)· nominal 20-yr term from priority
G10D 3/10
45
PatentIndex Score
3
Cited by
12
References
8
Claims
Abstract
A string for a musical instrument of this invention includes a core and a winding wound around the core to have a wound string structure. The winding has a winding body, and a coating film formed on the winding body. The coating film includes a vinyl resin and aminotriazole.
Claims
exact text as granted — not AI-modified1. A string for a musical instrument used to be directly contacted by a human hand, consisting of:
a single core; and,
a winding wound around the single core, the winding having a winding body and a coating film formed on said winding body, the coating film consisting of a mixture of vinyl resin and aminotriazole, whereby rusting of the string is inhibited.
2. The string for a musical instrument according to claim 1 , wherein said vinyl resin has a vinyl chloride monomer unit and a vinyl acetate monomer unit.
3. The string for a musical instrument according to claim 2 , wherein said vinyl resin further has a maleic acid monomer unit.
4. The string for a musical instrument according to claim 1 , wherein the thickness of said coating film is 2 μm or less.
5. The string for a musical instrument according to claim 1 , wherein said winding body is formed from copper or an alloy comprising copper.
6. A method for manufacturing a string for a musical instrument used to be directly contacted by a human hand, consisting of the ordered steps of:
applying a coating liquid consisting of vinyl resin and aminotriazole, to a winding body;
drying said coating liquid to form a coating film so as to form a winding; and
wrapping said winding around a single core, whereby rusting of the string is inhibited.
7. The string for a musical instrument according to claim 1 , wherein said coating film consists of 0.1 to 20 wt % aminotriazole and at least 80 wt % vinyl resin.
8. The string for a musical instrument according to claim 7 , wherein said aminotriazole is 0.3 to 3 wt % and said at least vinyl resin is at least 97 wt %.Join the waitlist — get patent alerts
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